2001•Hydrometallurgy of ChinaRequires access

Experiment on Extraction of Gold from Low-grade Gold Ore by Heap Leaching at Very Cold Area in Xizang

Zhao Jia-zhi

Abstract

The experimental results on extraction of gold by heap leaching process from low-grade gold ore at very cold area in Xizang are introduced.Gold grade in the oxided-type ore is 5.26 g/t.The experimental results show that leaching rate is 75.15% and sodium cyanide consumption is 0.223 kg/t after leaching for 29 d.

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Key concepts: Heap leaching, Gold ore, Gold extraction, Leaching (pedology), Gold cyanidation, Sodium cyanide, Metallurgy, Heap (data structure)